🎓 AI Researcher & Data Scientist from Niterói, Brazil 🇧🇷 🏛️ Ph.D. student at COPPEAD/UFRJ — researching AI Governance in municipal public administration 🚀 Founder @ BaXiJen — AI solutions for public and private institutions 🤖 AI Engineer at IVIG/COPPE/UFRJ — educational AI platform serving 1,600+ users (Portos Rio) 💻 Researcher & Developer at CID-UFF — data engineering, analytics apps, and AI systems for the public sector 👨🏫 Professor in UFF's MBA programs — Data Science and Corporate Finance 📚 Author of 4 published books on data science, AI, and finance • Translator of R para Ciência de Dados
💬 "Building bridges between AI, data, and public impact."
- 🤖 AI Agents & Model Context Protocol (MCP)
- 🧩 Agentic workflows with LangGraph & LangChain
- 🗣️ Speech AI — STT/TTS pipelines with Whisper & XTTS
- 📊 Data Science with Python, R, and Tidymodels
- 🏗️ Data engineering — ETL pipelines & Lakehouse architecture
- 🏛️ AI Governance frameworks for the public sector
- 📘 Reproducible research with Quarto
| Project | What it does | Stack |
|---|---|---|
| ☃️ Snowman AI 🏆 | Autonomous scientific literature review agent — extracts references from PDFs, searches 6 academic databases, evaluates papers with AI, and exposes an MCP Server for Claude Desktop & Cursor. Winner of the Gradio MCP Hackathon | LangGraph • Gradio • MCP • Python |
| 🗣️ TalkingHead AI | Conversational agents platform with Skype-style UI — STT (Whisper), RAG (ChromaDB), LLM & TTS (XTTS/ElevenLabs) with WebSocket streaming, multi-agent support and admin panel | Next.js • FastAPI • RAG • CUDA |
| 🎙️ Daredevil | Audio/video transcription API optimized for PT-BR — Whisper with GPU acceleration, async processing (Celery + Redis), smart caching, 23 media formats | Django Ninja • Whisper • CUDA • Docker |
| 🖥️ Devel | Full-stack async transcription platform with multi-user isolation, real-time polling, text correction and speaker identification | TypeScript • Next.js • Prisma • Genkit AI |
| 🌊 LAGUNA | Water quality sample management system for the Lagoa Viva project (CID-UFF) — WQI calculation, GIS maps, field campaign checklists | Django • PostgreSQL • Plotly • Folium |
| 📈 PROSPECTA | Sales opportunity management system — OAuth 2.0, RBAC, sales pipeline with stages and full audit trail | Django • HTMX • PostgreSQL |
| 🤖 Raspa Colab | Automated web scraper for the Colab.re citizen complaints platform | Playwright • BeautifulSoup |
🏅 Winner — Gradio Agents & MCP Hackathon (Hugging Face) with Snowman AI 📗 4 published books — including A inteligência artificial nas ciências de dados (USP) and Aplicações em R (USP) 📄 ENANPAD 2025 — Lakehouse + RAG architecture for knowledge management in public companies 🥉 Top 3 papers in Finance — XV CASI 🌎 LatinR 2024 — co-translator of R para Ciência de Dados (PT-BR localization of R4DS)
AI & Data: LangChain • LangGraph • Ollama • Claude • Google Gen AI SDK • RAG • MCP • Whisper • Gradio • Streamlit • Shiny • Tidymodels • n8n
"Building bridges between AI, data, and public impact."




